8121372064

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:511

約数の個数: 144

約数和(自身を含む): 18036152064

約数和(自身を除く): 9914780000

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 193, 208, 248, 251, 338, 386, 403, 416, 496, 502, 676, 772, 806, 992, 1004, 1352, 1544, 1612, 2008, 2509, 2704, 3088, 3224, 3263, 4016, 5018, 5239, 5408, 5983, 6176, 6448, 6526, 7781, 8032, 10036, 10478, 11966, 12896, 13052, 15562, 20072, 20956, 23932, 26104, 31124, 32617, 40144, 41912, 42419, 47864, 48443, 52208, 62248, 65234, 77779, 80288, 83824, 84838, 95728, 96886, 101153, 104416, 124496, 130468, 155558, 167648, 169676, 191456, 193772, 202306, 248992, 260936, 311116, 339352, 387544, 404612, 521872, 622232, 629759, 678704, 775088, 809224, 1011127, 1043744, 1244464, 1259518, 1314989, 1357408, 1501733, 1550176, 1618448, 2022254, 2488928, 2519036, 2629978, 3003466, 3236896, 4044508, 5038072, 5259956, 6006932, 8089016, 8186867, 10076144, 10519912, 12013864, 16178032, 16373734, 19522529, 20152288, 21039824, 24027728, 32356064, 32747468, 39045058, 42079648, 48055456, 65494936, 78090116, 130989872, 156180232, 253792877, 261979744, 312360464, 507585754, 624720928, 1015171508, 2030343016, 4060686032, 8121372064]

約数ペア:

[(1, 8121372064), (2, 4060686032), (4, 2030343016), (8, 1015171508), (13, 624720928), (16, 507585754), (26, 312360464), (31, 261979744), (32, 253792877), (52, 156180232), (62, 130989872), (104, 78090116), (124, 65494936), (169, 48055456), (193, 42079648), (208, 39045058), (248, 32747468), (251, 32356064), (338, 24027728), (386, 21039824), (403, 20152288), (416, 19522529), (496, 16373734), (502, 16178032), (676, 12013864), (772, 10519912), (806, 10076144), (992, 8186867), (1004, 8089016), (1352, 6006932), (1544, 5259956), (1612, 5038072), (2008, 4044508), (2509, 3236896), (2704, 3003466), (3088, 2629978), (3224, 2519036), (3263, 2488928), (4016, 2022254), (5018, 1618448), (5239, 1550176), (5408, 1501733), (5983, 1357408), (6176, 1314989), (6448, 1259518), (6526, 1244464), (7781, 1043744), (8032, 1011127), (10036, 809224), (10478, 775088), (11966, 678704), (12896, 629759), (13052, 622232), (15562, 521872), (20072, 404612), (20956, 387544), (23932, 339352), (26104, 311116), (31124, 260936), (32617, 248992), (40144, 202306), (41912, 193772), (42419, 191456), (47864, 169676), (48443, 167648), (52208, 155558), (62248, 130468), (65234, 124496), (77779, 104416), (80288, 101153), (83824, 96886), (84838, 95728)]